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Pump-power-controlled luminescence switching in codoped water-free low silica calcium aluminosilicate glasses
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10.1063/1.2771051
/content/aip/journal/apl/91/7/10.1063/1.2771051
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2771051
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Luminescence spectra at high and low excitation powers for samples of LSCAS doped with of and codoped with (a) 0.5, (b) 1.5, and (c) of .

Image of FIG. 2.
FIG. 2.

(Color online) (a) Simplified energy level diagram for system presenting the energy transfer, emissions, and cross-relaxation (CR) processes; (b) log-log plot of the emission intensities at 480, 650, and as a function of the excitation power at , for LSCAS sample doped with of and codoped with of .

Image of FIG. 3.
FIG. 3.

Transmittance at and lifetime values of the level as a function of the excitation power at , for LSCAS sample doped with of and codoped with of . The lines are guides for the eyes.

Image of FIG. 4.
FIG. 4.

(Color online) Upconversion emissions ratio: (a) and (b) vs the excitation intensity/pump for LSCAS glass doped with of and codoped with 2.5 (circles), 1.5 (squares), and 0.5 (triangles) wt % of . In these measurements, corresponds to . The lines are guides for the eyes.

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/content/aip/journal/apl/91/7/10.1063/1.2771051
2007-08-13
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Pump-power-controlled luminescence switching in Yb3+∕Tm3+ codoped water-free low silica calcium aluminosilicate glasses
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2771051
10.1063/1.2771051
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